static void Main(string[] args) { try { var client = new TestServiceClient(); client.Open(); string tmpString; int tmpInt; tmpString = client.GetData(13); WriteLine($"\"{tmpString}\""); tmpInt = client.Sum(2, 3); WriteLine(tmpInt); tmpInt = client.Subtract(25, 5); WriteLine(tmpInt); tmpInt = client.Multiply(2, 3); WriteLine(tmpInt); tmpInt = client.Divide(25, 5); WriteLine(tmpInt); CompositeType compositeType = client.GetDataUsingDataContract(new CompositeType { BoolValue = true, StringValue = "ClientStringValue" }); WriteLine($"{{BoolValue:{compositeType.BoolValue}, StringValue:\"{compositeType.StringValue}\"}}"); client.Close(); } catch (Exception eException) { WriteLine(eException.GetType().FullName + Environment.NewLine + "Message: " + eException.Message + Environment.NewLine + (eException.InnerException != null && !string.IsNullOrEmpty(eException.InnerException.Message) ? "InnerException.Message" + eException.InnerException.Message + Environment.NewLine : string.Empty) + "StackTrace:" + Environment.NewLine + eException.StackTrace); } }